Exterior shell of a trunk door of a car top carrier or similar article



FIG. 1 is a top plan view of a trunk door for a car top carrier or similar article showing my new design, the fragmentary broken line representation of a car top carrier being only for purposes of illustrating environmental features and forms no part of the claimed design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image of the view of FIG. 2; and

FIG. 3 is a rear elevational view thereof. 

The ornamental design for an exterior shell of a trunk door of a car top carrier, as shown and described. 